head to head
Super Puyo Puyo 2 asks more than Catherine, and the gap is reads.

Execution · Practiced Mastery
Anxiety-fueled block-climbing puzzler wrapped in a relationship-drama narrative.

Execution · Practiced Mastery
A competitive falling-block puzzle about building chains under speed and opponent pressure.
Catherine leans Execution (Practiced Mastery); Super Puyo Puyo 2 leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Catherine
Climbing block towers fast under time pressure
Super Puyo Puyo 2
Fast piece placement under accelerating drop is core
Super Puyo Puyo 2 leans clearly harder on reads.
Catherine
Versus mode exists but is niche
Super Puyo Puyo 2
Versus mode adds light anticipation of opponent chains
Super Puyo Puyo 2 leans a little harder on variance, though the gap is small.
Catherine
Some randomized block layouts on replays
Super Puyo Puyo 2
Piece order is random but quickly mappable
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Catherine
Block-technique vocabulary solves each tower
Super Puyo Puyo 2
Building large chain combos is the deep skill
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.